Code of lighting: factories, mills and other work places.

Code of lighting: factories, mills and other work places. Revision of 1930. American standard, approved by the American Standards Association, August 18, 1930. Sponsor, Illuminating Engineering Society ... October, 1931. - Washington, U.S. Govt. Print. Off., 1931. - vi, 22 p. plates. 24 cm. - Bulletin of the United States Bureau of Labor Statistics, no. 556 . - Safety code series .

At head of title: United States Department of Labor. W.N. Doak, secretary. Bureau of Labor Statistics. Ethelbert Stewart, commissioner.

l 31000153


Factories--Lighting.

HD8051 / .A62 no. 556

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